{"id":17992,"date":"2025-02-14T06:58:12","date_gmt":"2025-02-14T06:58:12","guid":{"rendered":"https:\/\/aludiecasting.com\/?p=17992"},"modified":"2025-02-14T06:58:49","modified_gmt":"2025-02-14T06:58:49","slug":"tlakove-liti-vs-cnc-obrabeni","status":"publish","type":"post","link":"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/","title":{"rendered":"Tlakov\u00e9 lit\u00ed vs. CNC obr\u00e1b\u011bn\u00ed: Co je pro v\u00e1s nejlep\u0161\u00ed?"},"content":{"rendered":"<p>Tlakov\u00e9 lit\u00ed vynik\u00e1 velk\u00fdm objemem a slo\u017eit\u00fdmi tvary, ale m\u00e1 ni\u017e\u0161\u00ed p\u0159esnost. <span class=\"citation-0 recitation citation-end-0\">CNC obr\u00e1b\u011bn\u00ed je p\u0159esn\u00e9 a univerz\u00e1ln\u00ed pro prototypy a men\u0161\u00ed objemy. <\/span><span class=\"citation-1 recitation citation-end-1\">P\u0159i tlakov\u00e9m lit\u00ed se pou\u017e\u00edv\u00e1 roztaven\u00fd kov ve form\u00e1ch, zat\u00edmco CNC odeb\u00edr\u00e1 materi\u00e1l z pevn\u00fdch blok\u016f.<sup class=\"superscript visible\" data-turn-source-index=\"2\"> \u00a0<\/sup><\/span>Zvolte tlakov\u00e9 lit\u00ed pro hromadnou v\u00fdrobu, CNC pro p\u0159esnost a flexibilitu.<\/p>\n<p>Porovn\u00e1n\u00edm obou postup\u016f a jejich z\u00e1kladn\u00edch parametr\u016f m\u016f\u017eete naj\u00edt lep\u0161\u00ed variantu. Proto tento \u010dl\u00e1nek obsahuje podrobn\u00e9 informace o tlakov\u00e9m lit\u00ed vs. CNC obr\u00e1b\u011bn\u00ed.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Obsah<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"P\u0159epnut\u00ed tabulky obsahu\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">P\u0159ep\u00edna\u010d<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #7c7c7c;color:#7c7c7c\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #7c7c7c;color:#7c7c7c\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Die-Casting_Overview_and_Benefits\" >Tlakov\u00e9 lit\u00ed: P\u0159ehled a v\u00fdhody<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Applications_of_die-casting\" >Aplikace tlakov\u00e9ho lit\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Die-casting_Processes\" >Procesy tlakov\u00e9ho lit\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#1_High-pressure_die-casting_HPDC\" >1.   Vysokotlak\u00e9 tlakov\u00e9 lit\u00ed (HPDC):<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#2_Low-pressure_Die-casting_LPDC\" >2.   N\u00edzkotlak\u00e9 tlakov\u00e9 lit\u00ed (LPDC):<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#3_Gravity_Die-Casting\" >3.   Gravita\u010dn\u00ed tlakov\u00e9 lit\u00ed:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Types_of_Alloys_and_Properties\" >Typy slitin a jejich vlastnosti<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Die-casting_Tooling_Process\" >Proces tlakov\u00e9ho lit\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Limitations_of_die-casting\" >Omezen\u00ed tlakov\u00e9ho lit\u00ed<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#CNC_Machining_Overview_and_Benefits\" >CNC obr\u00e1b\u011bn\u00ed: P\u0159ehled a v\u00fdhody<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#CNC_Programming_Process\" >Proces programov\u00e1n\u00ed CNC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#CNC_Machining_Operations\" >Obr\u00e1b\u011bc\u00ed operace CNC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Milling\" >Fr\u00e9zov\u00e1n\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Turning\" >Obr\u00e1cen\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Drilling\" >Vrt\u00e1n\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Examples_of_CNC_Machined_Parts\" >P\u0159\u00edklady CNC obr\u00e1b\u011bn\u00fdch d\u00edl\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Types_of_CNC_Machines_and_Capabilities\" >Typy CNC stroj\u016f a jejich schopnosti<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#3-axis_CNC_mills\" >3os\u00e9 CNC fr\u00e9zky<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#5-axis_CNC_mills\" >5os\u00e9 CNC fr\u00e9zky<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#CNC_lathes\" >CNC soustruhy<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Tooling_in_CNC_Machining\" >N\u00e1stroje pro CNC obr\u00e1b\u011bn\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Materials_for_CNC_Machining\" >Materi\u00e1ly pro CNC obr\u00e1b\u011bn\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Limitations_of_CNC_Machining\" >Omezen\u00ed CNC obr\u00e1b\u011bn\u00ed:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Comparison_of_die-casting_and_CNC_Machining\" >Srovn\u00e1n\u00ed tlakov\u00e9ho lit\u00ed a CNC obr\u00e1b\u011bn\u00ed<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#1_Material_Properties_Comparison\" >1.   Srovn\u00e1n\u00ed vlastnost\u00ed materi\u00e1l\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#2_Tolerance_Comparison\" >2.   Srovn\u00e1n\u00ed tolerance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#3_Cost_Analysis\" >3.   Anal\u00fdza n\u00e1klad\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#4_Lead_Time_Comparison\" >4.   Srovn\u00e1n\u00ed doby realizace<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#5_Part_Complexities\" >5.   Slo\u017eitost d\u00edl\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#6_Environmental_Impact_Comparison\" >6.   Srovn\u00e1n\u00ed dopad\u016f na \u017eivotn\u00ed prost\u0159ed\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Decision_Matrix_for_Choosing_the_Right_Process\" >Rozhodovac\u00ed matice pro v\u00fdb\u011br spr\u00e1vn\u00e9ho procesu<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Design_Considerations_for_die-casting_and_CNC_Machining\" >Konstruk\u010dn\u00ed hlediska pro tlakov\u00e9 lit\u00ed a CNC obr\u00e1b\u011bn\u00ed<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Design_Rules_for_die-casting\" >Konstruk\u010dn\u00ed pravidla pro tlakov\u00e9 lit\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Design_Considerations_for_CNC_Machining\" >Konstruk\u010dn\u00ed hlediska pro CNC obr\u00e1b\u011bn\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Use_of_Simulation_Software\" >Pou\u017eit\u00ed simula\u010dn\u00edho softwaru<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Collaboration_Between_Designers_and_Engineers\" >Spolupr\u00e1ce mezi konstrukt\u00e9ry a in\u017een\u00fdry<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/aludiecasting.com\/cs\/tlakove-liti-vs-cnc-obrabeni\/#Conclusion\" >Z\u00e1v\u011br:<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Die-Casting_Overview_and_Benefits\"><\/span>Tlakov\u00e9 lit\u00ed: P\u0159ehled a v\u00fdhody<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/die-casting-benefits.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-17994 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/die-casting-benefits-1024x1024.jpg\" alt=\"v\u00fdhody tlakov\u00e9ho lit\u00ed\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/die-casting-benefits-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/die-casting-benefits-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/die-casting-benefits-480x480.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<p>V\u00fdrobci tav\u00ed vybran\u00e9 kovy podle jejich teploty t\u00e1n\u00ed. Nap\u0159\u00edklad zinek tav\u00ed p\u0159i 385 \u00b0C a hlin\u00edk p\u0159i 660 \u00b0C. Pot\u00e9 n\u00e1sleduje dal\u0161\u00ed krok, tlakov\u00e9 lit\u00ed.<\/p>\n<p>P\u0159i t\u00e9to metod\u011b se roztaven\u00fd kov p\u0159iv\u00e1d\u00ed do trval\u00e9 formy pod tlakem 10-175 MPa. Vtokov\u00e9 \u00fastroj\u00ed prot\u00e9k\u00e1 t\u00edmto kovem a stoupac\u00ed \u00fastroj\u00ed shroma\u017e\u010fuje jeho zbytky.<\/p>\n<p>Roztaven\u00fd kov tuhne 5-30 sekund a umo\u017e\u0148uje vyhozen\u00ed p\u0159i teplot\u011b 200-300 \u00b0C. Mus\u00edte v\u011bd\u011bt, \u017ee ka\u017ed\u00fd cyklus je dokon\u010den za 15-60 sekund.<\/p>\n<p>Vzhledem k rychl\u00e9 v\u00fdrobn\u00ed schopnosti lze pomoc\u00ed tlakov\u00e9ho lit\u00ed dokon\u010dit velk\u00e9 s\u00e9rie a\u017e 10-100x rychleji ne\u017e pomoc\u00ed CNC obr\u00e1b\u011bn\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Applications_of_die-casting\"><\/span>Aplikace tlakov\u00e9ho lit\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tlakov\u00e9 lit\u00ed pom\u00e1h\u00e1 p\u0159i v\u00fdrob\u011b slo\u017eit\u00fdch d\u00edl\u016f. Lze nap\u0159\u00edklad vyr\u00e1b\u011bt bloky motor\u016f z hlin\u00edku se st\u011bnami o tlou\u0161\u0165ce 1,5 mm. Tato metoda tak\u00e9 zaji\u0161\u0165uje trvanlivost a tepelnou odolnost.<\/p>\n<p>Elektronick\u00e9 sou\u010d\u00e1stky se odl\u00e9vaj\u00ed ze zinku, aby byl jejich tenkost\u011bnn\u00fd kryt mnohem leh\u010d\u00ed. Krom\u011b toho se ho\u0159\u010d\u00edk pou\u017e\u00edv\u00e1 v letectv\u00ed a kosmonautice za \u00fa\u010delem sn\u00ed\u017een\u00ed hmotnosti kolem 30% a zv\u00fd\u0161en\u00ed \u00fa\u010dinnosti paliva.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Die-casting_Processes\"><\/span>Procesy tlakov\u00e9ho lit\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"1_High-pressure_die-casting_HPDC\"><\/span>1.   Vysokotlak\u00e9 tlakov\u00e9 lit\u00ed (HPDC):<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>HPDC obecn\u011b pracuje pod tlakem 10-175 MPa. Vst\u0159ikuje kov rychlost\u00ed 10-50 m\/s. Tento proces dokonale vyr\u00e1b\u00ed uveden\u00e9 hlin\u00edkov\u00e9 d\u00edly pro elektroniku nebo automobilov\u00fd pr\u016fmysl. M\u016f\u017ee p\u0159id\u00e1vat tenk\u00e9 st\u011bny (1,5-5 mm).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Low-pressure_Die-casting_LPDC\"><\/span>2.   N\u00edzkotlak\u00e9 tlakov\u00e9 lit\u00ed (LPDC):<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u00fdrobci pou\u017e\u00edvaj\u00ed p\u0159i provozu LPDC tlak 0,3-1,5 MPa. P\u0159i tomto procesu je proces pln\u011bn\u00ed formy velmi pomal\u00fd, aby se p\u0159ede\u0161lo vad\u00e1m. Funguje l\u00e9pe pro d\u00edly s velkou hloubkou kolem 5-15 mm (n\u00e1boje kol). Poskytuj\u00ed tak\u00e9 ur\u010ditou pevnost a odolnost.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Gravity_Die-Casting\"><\/span>3.   Gravita\u010dn\u00ed tlakov\u00e9 lit\u00ed:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>P\u0159i t\u00e9to metod\u011b se forma pln\u00ed gravita\u010dn\u011b a p\u0159edeh\u0159\u00edv\u00e1 se na teplotu 150-300 \u00b0C. Lze p\u0159i n\u00ed vyr\u00e1b\u011bt velmi jednoduch\u00e9 hlin\u00edkov\u00e9 d\u00edly s jemn\u00fdm povrchem za p\u0159ijateln\u00e9 ceny.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Types_of_Alloys_and_Properties\"><\/span>Typy slitin a jejich vlastnosti<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table width=\"577\">\n<thead>\n<tr>\n<td width=\"91\"><strong>Slitina<\/strong><\/td>\n<td width=\"109\"><strong>Bod t\u00e1n\u00ed<\/strong><\/td>\n<td width=\"126\"><strong>Pevnost v tahu<\/strong><\/td>\n<td width=\"167\"><strong>Tepeln\u00e1 vodivost<\/strong><\/td>\n<td width=\"84\"><strong>N\u00e1klady<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td width=\"91\">Hlin\u00edk<\/td>\n<td width=\"109\">660\u00b0C<\/td>\n<td width=\"126\">220-330 MPa<\/td>\n<td width=\"167\">120-180 W\/m-K<\/td>\n<td width=\"84\">M\u00edrn\u00e1<\/td>\n<\/tr>\n<tr>\n<td width=\"91\">Zinek<\/td>\n<td width=\"109\">385\u00b0C<\/td>\n<td width=\"126\">280-440 MPa<\/td>\n<td width=\"167\">110-130 W\/m-K<\/td>\n<td width=\"84\">M\u00e9n\u011b<\/td>\n<\/tr>\n<tr>\n<td width=\"91\">Ho\u0159\u010d\u00edk<\/td>\n<td width=\"109\">650\u00b0C<\/td>\n<td width=\"126\">160-240 MPa<\/td>\n<td width=\"167\">80-100 W\/m-K<\/td>\n<td width=\"84\">N\u00e1kladn\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Die-casting_Tooling_Process\"><\/span>Proces tlakov\u00e9ho lit\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u00fdrobci vytv\u00e1\u0159ej\u00ed z\u00e1pustky, kter\u00e9 jsou 10kr\u00e1t pevn\u011bj\u0161\u00ed a pou\u017e\u00edvaj\u00ed ocel (t\u0159\u00edda H13), aby odolaly \u00fa\u010dink\u016fm 50 000 a\u017e 1 000 000 cykl\u016f. V z\u00e1vislosti na konstrukci, slitin\u011b nebo dal\u0161\u00edch faktorech mohou st\u00e1t 10 000-200 000. Krom\u011b toho mezi jejich kl\u00ed\u010dov\u00e9 aspekty pat\u0159\u00ed:<\/p>\n<ul>\n<li>Pou\u017e\u00edvaj\u00ed up\u00ednac\u00ed s\u00edlu p\u0159ibli\u017en\u011b 100-5 000 tun (podle velikosti d\u00edlu).<\/li>\n<li>Jeden cyklus trv\u00e1 15-60 sekund (v z\u00e1vislosti na chlazen\u00ed d\u00edlu).<\/li>\n<li>Jejich vyst\u0159elovac\u00ed s\u00edla m\u016f\u017ee b\u00fdt p\u0159ibli\u017en\u011b 5-20% up\u00ednac\u00ed s\u00edly.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Limitations_of_die-casting\"><\/span>Omezen\u00ed tlakov\u00e9ho lit\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Pro kontrolu p\u00f3rovitosti je nutn\u00e1 rentgenov\u00e1 kontrola, proto\u017ee se mohou tvo\u0159it vzduchov\u00e9 kapsy hlubok\u00e9 a\u017e 1-2 mm.<\/li>\n<li>Pro odeb\u00edr\u00e1n\u00ed d\u00edl\u016f pou\u017e\u00edvejte \u00fahly ponoru 1-3\u00b0.<\/li>\n<li>Maxim\u00e1ln\u00ed velikost d\u00edlu m\u016f\u017ee b\u00fdt a\u017e 600 mm vzhledem k n\u00e1klad\u016fm na matrici.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"CNC_Machining_Overview_and_Benefits\"><\/span>CNC obr\u00e1b\u011bn\u00ed: P\u0159ehled a v\u00fdhody<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>CNC (Computer Numerical Control) obr\u00e1b\u011bn\u00ed pou\u017e\u00edv\u00e1 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Computer-aided_technologies\" target=\"_blank\" rel=\"noopener\">po\u010d\u00edta\u010dem podporovan\u00e9 techniky<\/a>. Tato technologie dost\u00e1v\u00e1 pokyny od po\u010d\u00edta\u010d\u016f k \u0159ez\u00e1n\u00ed tvar\u016f a p\u0159em\u011bn\u011b surov\u00e9ho kovu na ost\u0159e definovan\u00e9 d\u00edly.<\/p>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/cnc-programming-process.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-17995 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/cnc-programming-process-1024x1024.jpg\" alt=\"programov\u00e1n\u00ed proces\u016f CNC\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/cnc-programming-process-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/cnc-programming-process-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/cnc-programming-process-480x480.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<p>V\u00edte, \u017ee p\u0159i tlakov\u00e9m lit\u00ed se dovnit\u0159 vlo\u017e\u00ed hork\u00fd kov a vyjde pevn\u00fd tvar. Naproti tomu CNC obr\u00e1b\u011bn\u00ed pou\u017e\u00edv\u00e1 \u0159ezn\u00e9 n\u00e1stroje k odeb\u00edr\u00e1n\u00ed materi\u00e1lu (kov\u016f, plast\u016f a kompozit\u016f) vrstvu po vrstv\u011b.<\/p>\n<p>Tento postup je v\u0161ak vhodn\u00fd pro men\u0161\u00ed po\u010det zak\u00e1zkov\u00fdch d\u00edl\u016f, prototyp\u016f a n\u00edzk\u00fdch a\u017e st\u0159edn\u011b velk\u00fdch zak\u00e1zek (1-1000 kus\u016f).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"CNC_Programming_Process\"><\/span>Proces programov\u00e1n\u00ed CNC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>P\u0159i CNC obr\u00e1b\u011bn\u00ed se pou\u017e\u00edv\u00e1 n\u00e1stroj, kter\u00fd je dr\u017een v\u0159etenem. Tento n\u00e1stroj \u0159e\u017ee surov\u00fd materi\u00e1l na pracovn\u00edm stole. Pohonn\u00fd motor dost\u00e1v\u00e1 sign\u00e1ly MCU a podle nich pohybuje v\u0159etenem. Mezit\u00edm zp\u011btnovazebn\u00ed za\u0159\u00edzen\u00ed potvrzuje spr\u00e1vnost.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"CNC_Machining_Operations\"><\/span>Obr\u00e1b\u011bc\u00ed operace CNC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Stroje CNC prov\u00e1d\u011bj\u00ed t\u0159i b\u011b\u017en\u00e9 \u00falohy:<\/p>\n<ul>\n<li>Fr\u00e9zov\u00e1n\u00ed<\/li>\n<li>Obr\u00e1cen\u00ed<\/li>\n<li>Vrt\u00e1n\u00ed<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Milling\"><\/span>Fr\u00e9zov\u00e1n\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u00fdrobci pou\u017e\u00edvaj\u00ed p\u0159i fr\u00e9zov\u00e1n\u00ed rota\u010dn\u00ed n\u00e1stroje (500-15 000 ot.\/min.). Fr\u00e9zuj\u00ed ploch\u00e9 a zak\u0159iven\u00e9 tvary. Pou\u017e\u00edvaj\u00ed nap\u0159\u00edklad \u010deln\u00ed fr\u00e9zu ze slinut\u00e9ho karbidu o pr\u016fm\u011bru 10 mm. Ta pom\u00e1h\u00e1 \u0159ezat hlin\u00edkov\u00e9 slitiny p\u0159i 2 000 ot\u00e1\u010dk\u00e1ch za minutu p\u0159i v\u00fdrob\u011b dr\u017e\u00e1k\u016f motor\u016f.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Turning\"><\/span>Obr\u00e1cen\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/turning-cnc.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-17996 size-full\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/turning-cnc.jpg\" alt=\"proces soustru\u017een\u00ed na CNC\" width=\"625\" height=\"625\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/turning-cnc.jpg 625w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/turning-cnc-480x480.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 625px, 100vw\" \/><\/a><\/p>\n<p>Rota\u010dn\u00ed v\u0159eteno upev\u0148uje obrobek na m\u00edst\u011b, kde se ot\u00e1\u010d\u00ed rychlost\u00ed a\u017e 3 000 ot\u00e1\u010dek za minutu). Mezit\u00edm se \u0159ezn\u00e9 nebo stacion\u00e1rn\u00ed n\u00e1stroje ot\u00e1\u010dej\u00ed pod\u00e9l osy v\u0159etena a d\u00e1vaj\u00ed materi\u00e1lu v\u00e1lcov\u00fd (\u0161roubov\u00fd nebo trubkov\u00fd) tvar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Drilling\"><\/span>Vrt\u00e1n\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>P\u0159i vrt\u00e1n\u00ed je t\u0159eba vytvo\u0159it otvory v d\u00edlech. V\u00fdrobci obvykle pou\u017e\u00edvaj\u00ed <a href=\"https:\/\/en.wikipedia.org\/wiki\/Drill_bit\" target=\"_blank\" rel=\"noopener\">vrt\u00e1ky<\/a> (pr\u016fm\u011br 1-25 mm) p\u0159i ot\u00e1\u010dk\u00e1ch 500-1 500 ot\/min. Nap\u0159\u00edklad otvory v plastov\u00e9m pouzd\u0159e vytv\u00e1\u0159ej\u00ed pomoc\u00ed vrt\u00e1k\u016f o pr\u016fm\u011bru 5 mm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Examples_of_CNC_Machined_Parts\"><\/span>P\u0159\u00edklady CNC obr\u00e1b\u011bn\u00fdch d\u00edl\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u00fdroba prototypu hlin\u00edkov\u00e9ho kloubu robota o pr\u016fm\u011bru 100 mm trv\u00e1 p\u0159i obr\u00e1b\u011bn\u00ed CNC 3 hodiny. Tento d\u00edl m\u016f\u017ee poskytovat p\u0159esnost a\u017e 0,02 mm.<\/p>\n<p>U l\u00e9ka\u0159sk\u00fdch implant\u00e1t\u016f v\u00fdrobci le\u0161t\u00ed kobalt-chromov\u00e9 kolenn\u00ed n\u00e1hrady na Ra 0,4 \u00b5m. To umo\u017e\u0148uje hladk\u00fd pohyb.<\/p>\n<p>Titanov\u00e9 lopatky leteck\u00fdch turb\u00edn odol\u00e1vaj\u00ed teplot\u011b 800 \u00b0C. Tyto d\u00edly se vyr\u00e1b\u011bj\u00ed na p\u011btios\u00fdch CNC fr\u00e9zk\u00e1ch s p\u0159esnost\u00ed 0,01 mm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Types_of_CNC_Machines_and_Capabilities\"><\/span>Typy CNC stroj\u016f a jejich schopnosti<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"3-axis_CNC_mills\"><\/span>3os\u00e9 CNC fr\u00e9zky<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Obsahuje t\u0159i z\u00e1kladn\u00ed osy (X, Y, Z). Ta se pohybuje doleva doprava, dop\u0159edu dozadu a nahoru dol\u016f. Navzdory sv\u00fdm omezen\u00fdm pohybov\u00fdm schopnostem zvl\u00e1dne d\u00edly dlouh\u00e9 p\u0159ibli\u017en\u011b 600 mm. T\u0159i osy vytv\u00e1\u0159ej\u00ed 3D tvary pro d\u00edly, jako jsou p\u0159evodovky, s p\u0159esnost\u00ed \u00b10,05 mm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5-axis_CNC_mills\"><\/span>5os\u00e9 CNC fr\u00e9zky<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tento stroj nakl\u00e1n\u00ed a ot\u00e1\u010d\u00ed n\u00e1stroje. Tyto n\u00e1stroje mohou \u0159ezat velmi slo\u017eit\u00e9 tvary (nap\u0159. lopatky turb\u00edn) v jednom nastaven\u00ed. Lze z\u00edskat d\u00edly o velikosti \u00b10,02 mm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"CNC_lathes\"><\/span>CNC soustruhy<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tento typ CNC stroje se specializuje na kulat\u00e9 d\u00edly. M\u016f\u017ee uchopit materi\u00e1ly o \u0161\u00ed\u0159ce a\u017e 300 mm. Pomoc\u00ed n\u011bj lze \u0159ezat z\u00e1vity s rozte\u010d\u00ed a\u017e 0,5 mm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tooling_in_CNC_Machining\"><\/span>N\u00e1stroje pro CNC obr\u00e1b\u011bn\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u00fdrobci vyr\u00e1b\u011bj\u00ed CNC \u0159ezn\u00e9 n\u00e1stroje, obvykle s karbidem (vydr\u017e\u00ed 200-400 minut). Dal\u0161\u00edm materi\u00e1lem n\u00e1stroje m\u016f\u017ee b\u00fdt rychlo\u0159ezn\u00e1 ocel (HSS, 100-200 minut) nebo keramika (pro vysok\u00e9 teploty).<\/p>\n<p>\u017divotnost t\u011bchto n\u00e1stroj\u016f m\u016f\u017eete prodlou\u017eit tak\u00e9 pou\u017eit\u00edm n\u011bkolika povlak\u016f, nap\u0159. <a href=\"https:\/\/en.wikipedia.org\/wiki\/Titanium_nitride\" target=\"_blank\" rel=\"noopener\">nitrid titanu (TiN)<\/a>. Povlakov\u00e9 vrstvy zrychluj\u00ed n\u00e1stroj 50% a nedovoluj\u00ed jeho opot\u0159eben\u00ed. Nap\u0159\u00edklad vrt\u00e1ky s povlakem jsou schopny ud\u011blat 500 otvor\u016f do nerezov\u00e9 oceli rychlost\u00ed 0,2 mm na ot\u00e1\u010dku.<\/p>\n<p>Dr\u017e\u00e1ky n\u00e1stroj\u016f vyu\u017e\u00edvaj\u00ed hydraulickou s\u00edlu (a\u017e 200 bar\u016f). Tyto s\u00edly pevn\u011b up\u00ednaj\u00ed n\u00e1stroje a minimalizuj\u00ed vibrace p\u0159i \u0159ez\u00e1n\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Materials_for_CNC_Machining\"><\/span>Materi\u00e1ly pro CNC obr\u00e1b\u011bn\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table width=\"566\">\n<tbody>\n<tr>\n<td width=\"109\"><strong>Materi\u00e1l<\/strong><\/td>\n<td width=\"77\"><strong>P\u0159\u00edklad<\/strong><\/td>\n<td width=\"78\"><strong>Funkce<\/strong><\/td>\n<td width=\"120\"><strong>Rychlost obr\u00e1b\u011bn\u00ed (m\/min)<\/strong><\/td>\n<td width=\"182\"><strong>Po\u017eadavky<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"109\"><strong>Kovy<\/strong><\/td>\n<td width=\"77\">Hlin\u00edk (6061)<\/td>\n<td width=\"78\">Pevnost: 270 MPa<\/td>\n<td width=\"120\">200-300<\/td>\n<td width=\"182\">Standardn\u00ed \u0159ezn\u00e9 n\u00e1stroje<\/td>\n<\/tr>\n<tr>\n<td width=\"109\"><strong>Plasty<\/strong><\/td>\n<td width=\"77\">PEEK<\/td>\n<td width=\"78\">Bod t\u00e1n\u00ed: 343 \u00b0C<\/td>\n<td width=\"120\">50-100<\/td>\n<td width=\"182\">Udr\u017eujte n\u00edzkou rychlost, aby nedo\u0161lo k roztaven\u00ed<\/td>\n<\/tr>\n<tr>\n<td width=\"109\"><strong>Kompozity<\/strong><\/td>\n<td width=\"77\">Uhl\u00edkov\u00e1 vl\u00e1kna<\/td>\n<td width=\"78\">K\u0159ehk\u00e9, n\u00e1chyln\u00e9 k rozt\u0159epen\u00ed<\/td>\n<td width=\"120\">R\u016fzn\u00e9 (nap\u0159. 1 500 ot.\/min.)<\/td>\n<td width=\"182\">N\u00e1stroje s diamantov\u00fdm povlakem, m\u011blk\u00e9 \u0159ezy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Limitations_of_CNC_Machining\"><\/span>Omezen\u00ed CNC obr\u00e1b\u011bn\u00ed:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>CNC obr\u00e1b\u011bn\u00ed odeb\u00edr\u00e1 materi\u00e1l pomalu.<\/li>\n<li>Jeho rychlost posuvu se obvykle pohybuje od 0,1 do 0,5 mm\/zub, co\u017e je pro velk\u00e9 zak\u00e1zky neefektivn\u00ed.<\/li>\n<li>\u0158ez\u00e1n\u00ed materi\u00e1l\u016f vysokou rychlost\u00ed zp\u016fsobuje opot\u0159eben\u00ed n\u00e1stroje.<\/li>\n<li>Pro CNC m\u016f\u017ee b\u00fdt n\u00e1ro\u010dn\u00e9 z\u00edskat slo\u017eit\u00e9 geometrie s hlubok\u00fdmi rysy (nap\u0159. pom\u011br hloubky k \u0161\u00ed\u0159ce &gt;5:1).<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Comparison_of_die-casting_and_CNC_Machining\"><\/span>Srovn\u00e1n\u00ed tlakov\u00e9ho lit\u00ed a CNC obr\u00e1b\u011bn\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Material_Properties_Comparison\"><\/span>1.   Srovn\u00e1n\u00ed vlastnost\u00ed materi\u00e1l\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Jak jsme zjistili, jak technika tlakov\u00e9ho lit\u00ed, tak CNC pou\u017e\u00edvaj\u00ed r\u016fzn\u00e9 materi\u00e1ly. To znamen\u00e1, \u017ee maj\u00ed jedine\u010dn\u00e9 vlastnosti. Nap\u0159\u00edklad b\u011b\u017enou slitinou pro tlakov\u00e9 lit\u00ed je hlin\u00edk A380. Tato slitina m\u00e1 pevnost v tahu p\u0159ibli\u017en\u011b 310 MPa a mez kluzu a\u017e 159 MPa.<\/p>\n<p>Stejn\u011b tak stroje CNC pou\u017e\u00edvaj\u00ed hlin\u00edk 6061. Ten nab\u00edz\u00ed pevnost v tahu 310 MPa a mez kluzu 276 MPa.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Tolerance_Comparison\"><\/span>2.   Srovn\u00e1n\u00ed tolerance<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/tolerance-comparison.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-17997 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/tolerance-comparison-1024x1024.jpg\" alt=\"porovn\u00e1n\u00ed toleranc\u00ed tlakov\u00e9ho lit\u00ed a CNC obr\u00e1b\u011bn\u00ed\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/tolerance-comparison-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/tolerance-comparison-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/tolerance-comparison-480x480.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<p>U mal\u00fdch d\u00edl\u016f lze pomoc\u00ed tlakov\u00e9ho lit\u00ed dos\u00e1hnout tolerance kolem 0,004 palce (0,1 mm). Smr\u0161\u0165ov\u00e1n\u00ed materi\u00e1lu a vliv chlazen\u00ed v\u0161ak zvy\u0161uj\u00ed tolerance s velikost\u00ed d\u00edlu.<\/p>\n<p>Naproti tomu CNC obr\u00e1b\u011bn\u00ed poskytuje velmi mal\u00e9 tolerance, \u010dasto men\u0161\u00ed ne\u017e 0,001 palce (0,025 mm). To znamen\u00e1, \u017ee m\u016f\u017ee dob\u0159e fungovat p\u0159i p\u0159\u00edsn\u00e9m dodr\u017eov\u00e1n\u00ed vzoru.<\/p>\n<p>Z\u00edsk\u00e1n\u00ed p\u0159esn\u00fdch v\u00fdstup\u016f v\u0161ak vy\u017eaduje vy\u0161\u0161\u00ed n\u00e1klady. Pokud chcete dos\u00e1hnout tolerance 0,003 palce (0,075 mm), m\u016f\u017ee to st\u00e1t 100 jednotek. Zat\u00edmco tolerance 0,0005 palce (0,012 mm) by ji mohla ztrojn\u00e1sobit. D\u016fvodem je prodlou\u017een\u00ed doby obr\u00e1b\u011bn\u00ed, opot\u0159eben\u00ed n\u00e1stroj\u016f a opat\u0159en\u00ed pro kontrolu kvality.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Cost_Analysis\"><\/span>3.   Anal\u00fdza n\u00e1klad\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tlakov\u00e9 lit\u00ed zahrnuje po\u010d\u00e1te\u010dn\u00ed nastaven\u00ed a n\u00e1stroje. Proto stoj\u00ed p\u0159ibli\u017en\u011b $5 000-$50 000. P\u0159i velk\u00e9 zak\u00e1zce v\u0161ak sni\u017euje n\u00e1klady na ka\u017edou jednotku ($1-$5 na d\u00edl).<\/p>\n<p>CNC obr\u00e1b\u011bn\u00ed nevy\u017eaduje n\u00e1klady na n\u00e1stroje. Jeho v\u00fdrobn\u00ed n\u00e1klady z\u00e1vis\u00ed na v\u00fdb\u011bru materi\u00e1lu a \u00farovni slo\u017eitosti konstrukce.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Lead_Time_Comparison\"><\/span>4.   Srovn\u00e1n\u00ed doby realizace<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>P\u0159\u00edprava n\u00e1stroj\u016f pro tlakov\u00e9 lit\u00ed trv\u00e1 4-8 t\u00fddn\u016f p\u0159ed zah\u00e1jen\u00edm procesu. Jakmile jsou v\u0161ak tyto n\u00e1stroje p\u0159ipraveny, mohou rychle vyr\u00e1b\u011bt velk\u00e9 s\u00e9rie.<\/p>\n<p>P\u0159i CNC obr\u00e1b\u011bn\u00ed nedoch\u00e1z\u00ed ke zpo\u017ed\u011bn\u00ed n\u00e1stroj\u016f. T\u00edmto postupem lze vyrobit prototypy b\u011bhem 1-3 dn\u016f. Krom\u011b toho trv\u00e1 s\u00e9riov\u00e1 v\u00fdroba 5-10 dn\u00ed podle slo\u017eitosti n\u00e1vrhu.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Part_Complexities\"><\/span>5.   Slo\u017eitost d\u00edl\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>tlakov\u00e9 lit\u00ed zvl\u00e1dne jednoduch\u00e9 a\u017e st\u0159edn\u011b slo\u017eit\u00e9 konstrukce. Podporuje tenk\u00e9 st\u011bny a integrovan\u00e9 prvky, jako jsou \u017eebra. Tento proces m\u00e1 probl\u00e9my p\u0159i vytv\u00e1\u0159en\u00ed hlubok\u00fdch \u0159ez\u016f, ostr\u00fdch vnit\u0159n\u00edch roh\u016f a dlouh\u00fdch uveden\u00fdch d\u00edl\u016f.<\/p>\n<p>Stroje CNC mohou pracovat s hlub\u0161\u00edmi konstrukcemi a slo\u017eit\u00fdmi geometriemi. Tento proces je pomalej\u0161\u00ed, a proto zvy\u0161uje n\u00e1klady na velk\u00e9 s\u00e9rie.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Environmental_Impact_Comparison\"><\/span>6.   Srovn\u00e1n\u00ed dopad\u016f na \u017eivotn\u00ed prost\u0159ed\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>P\u0159i odl\u00e9v\u00e1n\u00ed doch\u00e1z\u00ed k men\u0161\u00edmu pl\u00fdtv\u00e1n\u00ed materi\u00e1lem, ale zbytky materi\u00e1lu nejsou v\u017edy recyklovateln\u00e9. D\u016fvodem je oxidace a ne\u010distoty. Tak\u00e9 v\u00fdroba forem spot\u0159ebov\u00e1v\u00e1 zna\u010dn\u00e9 mno\u017estv\u00ed energie.<\/p>\n<p>P\u0159i obr\u00e1b\u011bn\u00ed CNC vznik\u00e1 v\u00edce odpadu. Zejm\u00e9na m\u016f\u017eete znovu pou\u017e\u00edt kovov\u00e9 t\u0159\u00edsky. Jeho chladic\u00ed prost\u0159edek v\u0161ak m\u00e1 dopad na \u017eivotn\u00ed prost\u0159ed\u00ed. Ten lze pomoc\u00ed modern\u00edch filtra\u010dn\u00edch syst\u00e9m\u016f sn\u00ed\u017eit a\u017e na 50%.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Decision_Matrix_for_Choosing_the_Right_Process\"><\/span>Rozhodovac\u00ed matice pro v\u00fdb\u011br spr\u00e1vn\u00e9ho procesu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table width=\"602\">\n<tbody>\n<tr>\n<td width=\"182\"><strong>Krit\u00e9ria<\/strong><\/td>\n<td width=\"166\"><strong>tlakov\u00e9 lit\u00ed<\/strong><\/td>\n<td width=\"253\"><strong>CNC obr\u00e1b\u011bn\u00ed<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"182\">Funguje nejl\u00e9pe pro velkov\u00fdrobu<\/td>\n<td width=\"166\">\u2705 Ano<\/td>\n<td width=\"253\">\u274c Ne<\/td>\n<\/tr>\n<tr>\n<td width=\"182\">Ide\u00e1ln\u00ed pro prototypy<\/td>\n<td width=\"166\">\u274c Ne<\/td>\n<td width=\"253\">\u2705 Ano<\/td>\n<\/tr>\n<tr>\n<td width=\"182\">Nab\u00eddka stavu s vysokou dimenz\u00ed<\/td>\n<td width=\"166\">\u274c Ne (\u00b10,1 mm)<\/td>\n<td width=\"253\">\u2705 Ano (\u00b10,005 mm)<\/td>\n<\/tr>\n<tr>\n<td width=\"182\">Mo\u017enosti materi\u00e1lu<\/td>\n<td width=\"166\">\u274c Omezeno na lit\u00e9 kovy<\/td>\n<td width=\"253\">\u2705 Pr\u00e1ce s kovy, plasty a kompozity<\/td>\n<\/tr>\n<tr>\n<td width=\"182\">Kr\u00e1tk\u00e1 dodac\u00ed lh\u016fta<\/td>\n<td width=\"166\">\u274c Ne (4-8 t\u00fddn\u016f v\u00fdroby n\u00e1stroj\u016f)<\/td>\n<td width=\"253\">\u2705 Ano (1-3 dny pro prototypy)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Design_Considerations_for_die-casting_and_CNC_Machining\"><\/span>Konstruk\u010dn\u00ed hlediska pro tlakov\u00e9 lit\u00ed a CNC obr\u00e1b\u011bn\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/design.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-17998 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/design-1024x1024.jpg\" alt=\"konstruk\u010dn\u00ed pravidla pro CNC obr\u00e1b\u011bn\u00ed a tlakov\u00e9 lit\u00ed \" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/design-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/design-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/02\/design-480x480.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Design_Rules_for_die-casting\"><\/span>Konstruk\u010dn\u00ed pravidla pro tlakov\u00e9 lit\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>tlakov\u00e9 lit\u00ed pot\u0159ebuje \u00fahly tahu. D\u00edky t\u011bmto \u00fahl\u016fm je proces vyhazov\u00e1n\u00ed plynulej\u0161\u00ed. \u00dahel tahu lze vypo\u010d\u00edtat pomoc\u00ed vzorc\u016f.<\/p>\n<p>Vzorce obsahuj\u00ed konstanty specifick\u00e9 pro slitinu, obvykle 1\u00b0-3\u00b0 na stranu. Jeho v\u00fdpo\u010det je rovn\u011b\u017e ovlivn\u011bn slo\u017eitost\u00ed materi\u00e1lu a sou\u010d\u00e1sti.<\/p>\n<p>Krom\u011b toho se m\u016f\u017ee li\u0161it i tlou\u0161\u0165ka st\u011bny. Nap\u0159\u00edklad hlin\u00edk m\u016f\u017ee m\u00edt tlou\u0161\u0165ku 1-1,5 mm a zinek 0,5-1 mm. Tlou\u0161\u0165ka potvrzuje spr\u00e1vn\u00fd pr\u016ftok a odpuzuje vady.<\/p>\n<p>Krom\u011b toho je hlavn\u00edm \u00fakolem kout\u016f a polom\u011br\u016f sn\u00ed\u017eit koncentraci nap\u011bt\u00ed a zv\u00fd\u0161it \u017eivotnost formy.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Design_Considerations_for_CNC_Machining\"><\/span>Konstruk\u010dn\u00ed hlediska pro CNC obr\u00e1b\u011bn\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Obecn\u011b plat\u00ed, \u017ee konstrukce pro CNC obr\u00e1b\u011bn\u00ed nepot\u0159ebuj\u00ed \u00fahly tahu. Mohou vytv\u00e1\u0159et ostr\u00e9 vnit\u0159n\u00ed rohy a svisl\u00e9 st\u011bny. Jejich konstruk\u010dn\u00ed mo\u017enosti mohou zahrnovat T-dr\u00e1\u017eky, holubi\u010d\u00ed dr\u00e1\u017eky a hlubok\u00e9 kapsy. Kter\u00e9 obsahuj\u00ed vy\u0161\u0161\u00ed pom\u011bry hloubky k \u0161\u00ed\u0159ce.<\/p>\n<p>Zva\u017ete p\u0159\u00edstup k n\u00e1stroji, proto\u017ee hlubok\u00e9 dutiny pot\u0159ebuj\u00ed del\u0161\u00ed n\u00e1stroje. To m\u016f\u017ee tak\u00e9 zv\u00fd\u0161it vibrace a neposkytnout p\u0159esn\u00e9 v\u00fdsledky. Krom\u011b toho up\u00edn\u00e1n\u00ed podporuje stabilitu p\u0159i obr\u00e1b\u011bn\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Use_of_Simulation_Software\"><\/span>Pou\u017eit\u00ed simula\u010dn\u00edho softwaru<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>K dal\u0161\u00edmu vylep\u0161en\u00ed v\u00fdkonu n\u00e1vrhu m\u016f\u017eete pou\u017e\u00edt simula\u010dn\u00ed n\u00e1stroje. D\u00edky t\u011bmto n\u00e1stroj\u016fm je tok odl\u00e9vac\u00ed formy a dr\u00e1hy CNC n\u00e1stroj\u016f co nejfunk\u010dn\u011bj\u0161\u00ed. Pom\u00e1haj\u00ed tak\u00e9 p\u0159i identifikaci vad, jako je p\u00f3rovitost p\u0159i tlakov\u00e9m lit\u00ed a chv\u011bn\u00ed p\u0159i obr\u00e1b\u011bn\u00ed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Collaboration_Between_Designers_and_Engineers\"><\/span>Spolupr\u00e1ce mezi konstrukt\u00e9ry a in\u017een\u00fdry<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sna\u017ete se komunikovat s design\u00e9ry v\u010das. Potvr\u010fte sv\u00e9 po\u017eadavky na v\u00fdrobu n\u00e1kladov\u011b efektivn\u00edch a vyrobiteln\u00fdch d\u00edl\u016f. T\u00edmto krokem tak\u00e9 p\u0159edejdete n\u011bkolika \u00faprav\u00e1m a probl\u00e9m\u016fm p\u0159i v\u00fdrob\u011b.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Z\u00e1v\u011br:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Mo\u017enost tlakov\u00e9ho lit\u00ed je vhodn\u00e9 pou\u017e\u00edt pro velkov\u00fdrobu. Vyr\u00e1b\u00ed d\u00edly rychleji p\u0159i n\u00edzk\u00e9 rychlosti, ale nen\u00ed efektivn\u00ed pro p\u0159esn\u00e9 v\u00fdsledky. Naopak CNC obr\u00e1b\u011bn\u00ed vyu\u017e\u00edv\u00e1 v\u00edce materi\u00e1l\u016f a poskytuje vysokou p\u0159esnost. Tato technika je v\u0161ak pomal\u00e1 a n\u00e1kladn\u00e1.<\/p>\n<p>Oba procesy maj\u00ed r\u016fzn\u00e9 v\u00fdhody a nev\u00fdhody. V\u00fdb\u011br zcela z\u00e1vis\u00ed na tom, jak\u00e9 typy materi\u00e1l\u016f nebo v\u00fdrobk\u016f vyr\u00e1b\u00edte.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>CNC obr\u00e1b\u011bn\u00ed: subtraktivn\u00ed proces, p\u0159esn\u00fd, nejvhodn\u011bj\u0161\u00ed pro prototypy\/mal\u00fd objem. Tlakov\u00e9 lit\u00ed: vst\u0159ikov\u00e1n\u00ed, efektivn\u00ed pro slo\u017eit\u00e9 tvary, velkos\u00e9riov\u00e1 v\u00fdroba.<\/p>","protected":false},"author":2,"featured_media":17993,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[172],"tags":[],"class_list":["post-17992","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cnc-machining-service"],"_links":{"self":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/17992","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/comments?post=17992"}],"version-history":[{"count":0,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/17992\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/media\/17993"}],"wp:attachment":[{"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/media?parent=17992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/categories?post=17992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aludiecasting.com\/cs\/wp-json\/wp\/v2\/tags?post=17992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}